Harbor Freight Tools 3914 operating instructions Assembly

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Assembly

Sewing Machine

Table Stand and

Top (not provided)Power Switch

Motor Knee Lifting Arm for Presser Foot

Figure 1

The assembly instructions describe mounting the Single-Needle Sewing Machine (Model 03914) to the Table Stand (Model 03929), not included. In order to complete this procedure, you must first purchase and assemble the Table Stand Kit (Model 03929).

Installing the Oil Pan and Sewing Machine to the Tabletop of Industrial Sewing Machine Table (SKU 3929 - sold separately)

Oil Pan (1g) hole in Tabletop (30)

Rubber Pads (23g)

Corner Rests

Rubber Cushions (24g)

(Operator Side of Table)

Rubber Pads (23g)

Rubber Cushions (24g)

Figure 2

1.Working in the rectangular hole of the Tabletop where the Oil Pan (1g) will sit: Place the Rubber Cushions (24g) on the operator-side corner rests, and the Rubber Pads (23g) on the hinge-side corner rests. Secure with two Tacks (25g) in each Pad or Cushion.

Note: The Rubber Pads (23g) are optional. They may be omitted, or used under the Rubber Cushions (24g) to adjust the tilt

REV 07f, 10b

of the machine, depending on the user’s preference.

Hinge Indentations in Tabletop

Back of

Sewing

Machine

Oil Pan (1g)

Hinge (1h)

Figure 3

2.Seat the Oil Pan (1g) on the Rubber Pads and Cushions in the Tabletop opening.

3.Insert the Hinge Cushions (2h) into the tabletop, securing them with two Tacks (25g) in each Hinge Cushion.

4.Insert the Hinges (1h) into the holes in the back of the Sewing Machine.

Machine Rest

Pin (19h)

Figure 4

5.Insert the Machine Rest Pin (19h) in the hole provided in the table stand.

6.Carefully place the machine, hinge side first, into the Rubber Hinge Plates and over the Oil Pan.

SKU 3914

For technical questions, please call 1-800-444-3353.

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Image 7 Contents
Single needle industrial Sewing Machine For technical questions or replacement parts, please callSave This Manual SpecificationsSafety Warnings Precautions Read all instructions before using this Tool For technical questions, please call Sewing Safety Precautions Grounded Tools Tools with Three Prong Plugs GroundingExtension Cords Table a Unpacking25’ 50’ 75’ 100’ 150’ Assembly Mounting the Motor Aligning the Pulleys Bobbin Winder AssemblyAdjusting the Belt Tension SKU For technical questions, please call Mounting the Thread StandOperation Installing the Belt CoversMounting the Bobbin Winder OFF Position Attaching the NeedleBobbin Winder Operation Moderate to slow speeds for the first 15 minutes of useWith the thread Detail Threading the Top ThreadRaising the Presser Foot Adjusting the Stitch LengthAdjusting the Needle Thread Tension Adjusting the Bobbin Thread TensionAdjusting the Feed Timing Setting the Presser Foot PressureAdjusting Feed Dog Height Adjusting Needle-to-hook Timing Adjusting the Height of the Knee Lifter Adjusting the Presser Bar HeightAdjusting Sewing Speed with Pulleys sold separately MaintenanceMotor Wiring Diagram Part Description Qty ARM BED Parts ListARM BED Assembly Drawing Main Shaft Parts List Main Shaft assembly Drawing Stitch Drive Parts List Stitch Drive Assembly Drawing Presser BAR Parts List Presser BAR Assembly Drawing Feed Control Parts List Feed Control Assembly Drawing Lubrication Parts List Lubrication Assembly Drawing Base Assembly Drawing and Parts List Accessories Parts List and Assembly Drawing Bobbin Winder & Thread Stand Unit Parts List Bobbin Winder & Thread Stand Unit Assembly Drawing Motor Parts List Motor Assembly Drawing Limited 90 DAY Warranty